NXP-12460: use of default user suggestion widget based on select2
NXP-12460: change select2Directory/Multiple to suggestOne/ManyDirectory
NXP-12460: delete damSingleDocumentSuggestion widget type and use the one based on select2
NXP-12460: fallback to the singleDocumentSuggestion for new asset form
Merge branch 'feature-NXP-12460-mergeSelect2'